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Re: XFS filesystem recovery from secondary superblocks

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: XFS filesystem recovery from secondary superblocks
From: Aaron Goulding <aarongldng@xxxxxxxxx>
Date: Sat, 10 Nov 2012 23:08:23 -0800
Cc: xfs@xxxxxxxxxxx
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=sfommwbcB7vmkAjYiK8tpFyUSN7pch5BCmC0VOw2moY=; b=N5PHdiUynBz9Oy5PzSF98/Rr/dVNpUmCAkvatES9KW6btLmNa18+jGt7Buq0cDOv1p OiqZih+0mBZpDw6aP6vcPqbhCLkmJBArz1q1rAO04qgnq4W1FEufLKVk9l0BRx9aECh7 c7GXq3bpI6otCFLV9ZZhxTE1DcWeMgph6Iih6e0EEPM6LWPbgC1KydxkNLLdTN+LBIAq yPTHsYs9w5J9KBR6yfDTTSXbSxcjB1T/Q+83Hpp5bx686cAtPEL5nMhlUrIgGh2OLuS1 y/AEvGAkRppe35TNOghOK2L531dsbGgYg28xQ0+iA0dKsd6CaNL9j2gYWVc8zVY+i3FL 39ig==
In-reply-to: <CABJyUzJVj-rpGW=i5QG=AZPvhuD-qdbujuwOdu_EdGbYGZ++Rg@xxxxxxxxxxxxxx>
References: <CABJyUz+h=pZ6+2rro1PjoB1ggTAoRw+bTzc_bU7Eaec0_AUKLA@xxxxxxxxxxxxxx> <20121101225938.GS29378@dastard> <CABJyUz+VhUY=tVKpEeKXfQRoaL4s+gwNmRr4wNAnRX6zTt5xXg@xxxxxxxxxxxxxx> <CABJyUz+r7yQSswqyBng_W=fAXxTz9heb88NeiKSeFU7j4ZD=Hw@xxxxxxxxxxxxxx> <20121108210210.GP6434@dastard> <CABJyUzKy4YXVZAj=awVNfPD69eWo2mKhM7a-xWF1Vy-PD989sg@xxxxxxxxxxxxxx> <20121109104839.GE6434@dastard> <CABJyUzJVj-rpGW=i5QG=AZPvhuD-qdbujuwOdu_EdGbYGZ++Rg@xxxxxxxxxxxxxx>
As I guessed, xfs_repair didn't work. xfs_db does now load with warnings, but I fear I don't know enough about that to properly use that tool. I've done a search for xfs_irepair but I'm finding very little from that. Where is that tool located? I'm understanding a full restore is very unlikely at this point, but if I can get anything, I'll consider this project a success and a learning experience. :)

-Aaron
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